Hua Di was born in a single-parent family. He never met his father when he was young. When he was young, he didn't study and played with the gangsters on the street without doing a job, and depended on his mother for life. Don't look at him fighting with gangsters all day long, but he is a very filial child with a strong sense of loyalty and compassion. My brother is very good at getting into trouble, and Huadi helps solve it every time. Under the influence of his true temperament, many punks followed him. The heroine is the daughter of a rich business association in Shanghai. She is a very ladylike child, but her mother divorced her father since she was a child. She came to Hong Kong to find her mother and met a gangster Huadi. Out of rebellious heart She thought Huadi was very rude but liked him very much and wanted to play with him. They live under the same roof and often play pranks and scare each other. The heroine's father who called the police because of his daughter's disappearance thinks that Huadi is a gangster who has evil intentions towards his daughter..